From: Simon Glass <sjg@chromium.org>
Date: Thu, 17 Dec 2020 04:20:11 +0000 (-0700)
Subject: dm: core: Switch binding to use new sequence numbers
X-Git-Tag: v2021.04-rc1~43^2~4^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba0e7daeefa1ae9821c9fb3103ea7c3ddd2dd2f8;p=pandora-u-boot.git

dm: core: Switch binding to use new sequence numbers

Update the core logic to use the new approach. For now the old code is
left as is. Update one test so it still passes.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

diff --git a/drivers/core/device.c b/drivers/core/device.c
index 8d1287f9a19..1e681333d35 100644
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -661,12 +661,9 @@ int device_find_child_by_seq(const struct udevice *parent, int seq_or_req_seq,
 	struct udevice *dev;
 
 	*devp = NULL;
-	if (seq_or_req_seq == -1)
-		return -ENODEV;
 
 	list_for_each_entry(dev, &parent->child_head, sibling_node) {
-		if ((find_req_seq ? dev->req_seq : dev_seq(dev)) ==
-				seq_or_req_seq) {
+		if (dev->sqq == seq_or_req_seq) {
 			*devp = dev;
 			return 0;
 		}
diff --git a/test/dm/bus.c b/test/dm/bus.c
index 9e81b1da1f0..77555e52937 100644
--- a/test/dm/bus.c
+++ b/test/dm/bus.c
@@ -159,9 +159,10 @@ static int dm_test_bus_children_funcs(struct unit_test_state *uts)
 	ut_asserteq(-ENODEV, device_find_child_by_seq(bus, -1, true, &dev));
 	ut_assertok(device_find_child_by_seq(bus, 0, true, &dev));
 	ut_assert(!(dev->flags & DM_FLAG_ACTIVATED));
-	ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 0, false, &dev));
+	ut_asserteq(0, device_find_child_by_seq(bus, 0, false, &dev));
 	ut_assertok(device_get_child_by_seq(bus, 0, &dev));
 	ut_assert(dev->flags & DM_FLAG_ACTIVATED);
+	ut_asserteq(0, device_find_child_by_seq(bus, 0, false, &dev));
 
 	/* There is no device with sequence number 2 */
 	ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, false, &dev));